<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
</head>
<body>
<h1>首页</h1>
<a href="/reg.html">注册</a>
<a href="/login.html">登录</a><br>
<hr>
<a href="/update.html">添加商品</a>
<a href="/product.html">查询商品</a>
<hr>
<a href="/upload.html">添加照片</a>
</body>
</html>